A gigantic map of all the cool plaques in the world. A project of 99% Invisible.
Explore the 20,000+ worldwide plaques on the Big Map big map screenshot
The most recent plaques:

Tsunami Buoy

In 1995, NOAA began the development of the Deep-ocean Assessment and Detection of Tsunami (DART) system to provide better warnings for tsunami-prone communities. Until 2004, the U.S. operated 6...

In 1995, NOAA began the development of the Deep- ocean Assessment and Detection of Tsunami (DART) system to provide better warnings for tsunami- prone communities. Until 2004, the U.S. operated...

  • mississippi

Tao Buoy

NOAA completed the Tropical Atmosphere Ocean (TAO) array for the detection of El Niño and La Niña in the Pacific Ocean in 1994 after 10 years of development in which NOAA deployed 400 buoys on 83...

NOAA completed the Tropical Atmosphere Ocean (TAO) array for the detection of El Niño and La Niña in the Pacific Ocean in 1994 after 10 years of development in which NOAA deployed 400 buoys on...

  • mississippi
  • noaa